Psychologist | General Psychology

Dr. William John Hanna, PSY.D.

123 N San Pedro Rd, San Rafael, California, 94903-4271

About Dr. William John Hanna

Dr. William John Hanna is a psychologist based in San Rafael, California who is specialized in General Psychology. Active license number of Dr. William John Hanna is PSY22136 for Clinical Psychology in California. His current practice location is 123 N San Pedro Rd, San Rafael. Patients can contact him at 415-507-1727 or can fax him at 415-785-8576. Dr. William John Hanna, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1568611085.

Dr. William John Hanna is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. William John Hanna's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. William John Hanna
Specialization General Psychology
Credentials PSY.D.
Gender Male
Practice Address: 123 N San Pedro Rd,
San Rafael, CA - 94903-4271
Fax 415-785-8576

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1568611085
NPI Enumeration Date: 09 Sep, 2008
NPI Last Update On: 09 Sep, 2008

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. William John Hanna are as mentioned below.

License NumberSpecializationStateStatus
PSY22136Clinical Psychology CaliforniaPrimary
PSY22136General Psychology CaliforniaSecondary
PSY22136Addiction (Substance Use Disorder) Psychology CaliforniaSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. William John Hanna
123 N San Pedro Rd,
San Rafael, CA - 94903-4271
Phone: 415-507-1727
Fax: 415-785-8576

Book an Appointment with Dr. William John Hanna

To schedule an appointment, contact Dr. William John Hanna at 123 N San Pedro Rd, San Rafael, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. William John Hanna:

Dr. William John Hanna is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. William John Hanna is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. William John Hanna practices at 123 N San Pedro Rd, San Rafael, California, 94903-4271.

To schedule an appointment with Dr. William John Hanna, please contact the office at 415-507-1727.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.